Koss QZ-99 Noise Reduction Stereophone Koss Quiet Zone QZ99 is a Passive Noise Cancellation Stereophone. The Koss Quiet Zone QZ99 stereophone is an extra-durable stereophone that delivers amazing passive noise reduction. Designed initially for use with racing radio scanners and metal detectors, the QZ99 has been a favorite for a wide range of listeners who need to cut high levels of ambient noise. Built to withstand the rigors of outdoor or indoor use, the QZ99 features both a 3.5 mm and 6.4 mm plug and will connect to most radios and scanners. The QZ99 features neodymium magnet structures for outstanding clarity and definition. Closed, Pneumalite ear cushions and extra-secure headband pressure create a complete seal around the ear eliminating all ambient noise from getting through. A volume control on the ear cup allows for easy level adjustment if the sound source is out of reach. A Stereo/Mono switch extends your user flexibility. The QZ99 features 8-foot, coiled, single entry cord. Price: $59.99 »» More Info / User Reviews / Buy From Amazon.com | 
